Top Science News

February 21, 2026

Top Headlines

“Celtic Curse” Hotspots Found in Scotland and Ireland with 1 in 54 at Risk

Feb. 21, 2026 Researchers have mapped the genetic risk of hemochromatosis across the UK and Ireland for the first time, uncovering striking hotspots in north-west Ireland and the Outer Hebrides. In some regions, ...

Scientists Discover Why High Altitude Protects Against Diabetes

Feb. 21, 2026 Living at high altitude appears to protect against diabetes, and scientists have finally discovered the reason. When oxygen levels drop, red blood cells switch into a new metabolic mode and absorb large amounts of glucose from the blood. This helps ...

Ultramarathons May Damage Red Blood Cells and Accelerate Aging

Feb. 21, 2026 Running extreme distances may strain more than just muscles and joints. New research suggests ultramarathons can alter red blood cells in ways that make them less flexible and more prone to breakdown, potentially interfering with how they deliver ...

Scientists May Have Found the Holy Grail of Quantum Computing

Feb. 21, 2026 Scientists may have spotted a long-sought triplet superconductor — a material that can transmit both electricity and electron spin with zero resistance. That ability could dramatically stabilize quantum computers while slashing their energy use. ...

Generative AI Analyzes Medical Data Faster Than Human Research Teams

Feb. 21, 2026 Researchers tested whether generative AI could handle complex medical datasets as well as human experts. In some cases, the AI matched or outperformed teams that had spent months building prediction models. By generating usable analytical code from ...

James Webb Space Telescope Captures Strange Magnetic Forces Warping Uranus

Feb. 21, 2026 For the first time, scientists have mapped Uranus’s upper atmosphere in three dimensions, tracking temperatures and charged particles up to 5,000 kilometers above the clouds. Webb’s sharp vision revealed glowing auroral bands and unexpected dark ...

NASA’s Hubble Spots Nearly Invisible “Ghost Galaxy” Made of 99% Dark Matter

Feb. 21, 2026 Astronomers have uncovered one of the most mysterious galaxies ever found — a dim, ghostly object called CDG-2 that is almost entirely made of dark matter. Located 300 million light-years away in ...

Common Pneumonia Bacterium May Fuel Alzheimer’s Disease

Feb. 21, 2026 A common bacterium best known for causing pneumonia and sinus infections may also play a surprising role in Alzheimer’s disease. Researchers found that Chlamydia pneumoniae can invade the retina and brain, where it sparks inflammation, nerve cell ...

Scientists Reveal How Exercise Protects the Brain from Alzheimer’s

Feb. 20, 2026 Exercise may sharpen the mind by repairing the brain’s protective shield. Researchers found that physical activity prompts the liver to release an enzyme that removes a harmful protein causing the blood-brain barrier to become leaky with age. In ...

Scientists Reveal Why Human Language Isn’t Like Computer Code

Feb. 20, 2026 Human language may seem messy and inefficient compared to the ultra-compact strings of ones and zeros used by computers—but our brains actually prefer it that way. New research reveals that while digital-style encoding could theoretically compress ...

Quantum Computer Breakthrough Tracks Qubit Fluctuations in Real Time

Feb. 20, 2026 Qubits, the heart of quantum computers, can change performance in fractions of a second — but until now, scientists couldn’t see it happening. Researchers at NBI have built a real-time monitoring system that tracks these rapid fluctuations about ...

Scientists Just Mapped Mysterious Earthquakes Deep Inside Earth

Feb. 20, 2026 Scientists at Stanford have unveiled the first-ever global map of rare earthquakes that rumble deep within Earth’s mantle rather than its crust. Long debated and notoriously difficult to confirm, these elusive quakes turn out to cluster in regions ...

Latest Headlines

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Doctors Implant Dopamine-Producing Stem Cells in Parkinson’s Patients

Feb. 20, 2026 A groundbreaking clinical trial is testing whether specially engineered stem cells can help the brain restore its own dopamine production in people with Parkinson’s disease. Because the condition ...

Air Pollution Linked to Higher Alzheimer’s Risk in 28 Million Older Americans

Feb. 20, 2026 Breathing polluted air may do more than harm your lungs — it could also increase your risk of Alzheimer’s disease. In a sweeping study of nearly ...

Scientists Uncover Oxygen-Loving Ancestor of All Complex Life

Feb. 20, 2026 For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually giving rise to plants, animals, and fungi. But one major puzzle remained: how ...

Giant Virus Discovery Could Rewrite the Origin of Complex Life

Feb. 19, 2026 A giant virus discovered in Japan is adding fuel to the provocative idea that viruses helped create complex life. Named ushikuvirus, it infects amoebae and shows unique traits that connect different ...

Scientists Discover the Body’s Hidden “off Switch” for Inflammation

Feb. 19, 2026 A new human study has uncovered how the body naturally turns off inflammation. Researchers found that fat-derived molecules called epoxy-oxylipins rein in immune cells that can otherwise drive ...

Scientists Discover Gene That Could Save Bananas from Deadly Panama Disease

Feb. 19, 2026 A major breakthrough could help save the world’s bananas from a devastating disease. Scientists have discovered the exact genetic region in a wild banana that provides resistance to Fusarium wilt ...

Atom-Sized Gates Could Transform DNA Sequencing and Neuromorphic Computing

Feb. 19, 2026 Scientists have taken a major step toward mimicking nature’s tiniest gateways by creating ultra-small pores that rival the dimensions of biological ion channels—just a few atoms wide. The ...

The Nearsightedness Explosion May Be Fueled by Dim Indoor Light, Not Just Screens

Feb. 19, 2026 Myopia is skyrocketing around the world, often blamed on endless screen time — but new research suggests the real culprit may be something more ...

Brain Development May Continue Into Your 30s, New Research Shows

Feb. 19, 2026 That viral claim that your frontal lobe “isn’t fully developed until 25” turns out to be more myth than milestone. Early brain scans showed that gray matter changes dramatically through the ...

Ancient DNA Solves 5,500 Year Old Burial Mystery in Sweden

Feb. 19, 2026 Ancient DNA from a Stone Age burial site in Sweden shows that families 5,500 years ago were more complex than expected. Many individuals buried together were not immediate family, but second- or ...

The Moon Is Still Shrinking and It Could Trigger More Moonquakes

Feb. 18, 2026 Researchers have uncovered more than a thousand previously unknown tectonic ridges across the Moon’s dark plains, showing the Moon is still contracting and reshaping itself. These features are ...

New Map Reveals Where Lethal Scorpions Are Most Likely to Strike

Feb. 18, 2026 Scientists have developed a powerful new way to forecast where some of the world’s most dangerous scorpions are likely to be found. By combining fieldwork in Africa with advanced computer modeling, ...

Intermittent Fasting Fails to Beat Standard Dieting for Weight Loss

Feb. 18, 2026 Intermittent fasting has become one of the most talked-about weight loss trends in recent years, promising dramatic results with simple changes to when you eat. But a major Cochrane review suggests ...

Psychedelics May Work by Shutting Down Reality and Unlocking Memory

Feb. 15, 2026 Psychedelics can quiet the brain’s visual input system, pushing it to replace missing details with vivid fragments from memory. Scientists found that slow, rhythmic brain waves help shift ...

Couples Who Savor Happy Moments Together Have Stronger, Longer-Lasting Relationships

Feb. 14, 2026 Couples who intentionally slow down and soak in their happy moments together may be building a powerful shield for their relationship. Researchers at the University of Illinois found that partners ...

The Human Exposome Could Change Everything We Know About Disease

Feb. 14, 2026 Scientists are launching an ambitious global effort to map the “human exposome” — the lifelong mix of environmental and chemical exposures that drive most diseases. Backed by new partnerships ...

Rocky Planet Discovered in Outer Orbit Challenges Planet Formation Theory

Feb. 13, 2026 Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky ...

This New Blood Test Could Detect Cancer Before It Shows Up on Scans

Feb. 16, 2026 A new light-based sensor can spot incredibly tiny amounts of cancer biomarkers in blood, raising the possibility of earlier and simpler cancer detection. The technology merges DNA nanotechnology, ...

AI Uncovers the Hidden Genetic Control Centers Driving Alzheimer’s

Feb. 15, 2026 Scientists have created the most detailed maps yet of how genes control one another inside the brains of people with Alzheimer’s disease. Using a powerful new AI-based system called SIGNET, the ...

Astronomers Watch a Massive Star Collapse Into a Black Hole Without a Supernova

Feb. 14, 2026 A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in ...

Scientists Make Microplastics Glow to See What They Do Inside Your Body

Feb. 13, 2026 Microplastics and nanoplastics are now found everywhere on Earth, from ocean depths to agricultural soils and even inside the human body. Yet scientists still struggle to understand what these ...

This Reengineered HPV Vaccine Trains T Cells to Hunt Down Cancer

Feb. 18, 2026 Northwestern researchers have shown that when it comes to cancer vaccines, arrangement can be just as important as ingredients. By repositioning a small fragment of an HPV protein on a DNA-based ...

Lab Grown Human Spinal Cord Heals After Injury in Major Breakthrough

Feb. 16, 2026 Researchers have built a realistic human mini spinal cord in the lab and used it to simulate traumatic injury. The model reproduced key damage seen in real spinal cord injuries, including ...

Scientists Used Brain Stimulation to Make People More Generous

Feb. 13, 2026 A new study suggests that generosity may be more than a moral lesson—it could be shaped by how different parts of the brain work together. By gently stimulating two brain regions and syncing their ...

Twin Beams Blast from a Hidden Star in Stunning Hubble Space Telescope Image

Feb. 13, 2026 A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like star’s death just 1,000 light-years away. Hidden inside a dense cocoon of ...

Giving People Cash Didn’t Cause More Injuries or Deaths

Feb. 16, 2026 As cash transfer programs expand across the United States, critics often warn that giving people money could spark reckless behavior, leading to injuries or even deaths. But a sweeping 11-year ...

Almost Every Forest Bird in Hawaiʻi Is Spreading Avian Malaria

Feb. 11, 2026 Avian malaria is spreading across Hawaiʻi in a way scientists didn’t fully grasp until now: nearly every forest bird species can help keep the disease alive. Researchers found the parasite at 63 ...

Tracking Global Water Circulation Using Atomic Fingerprints

Feb. 15, 2026 Scientists have developed a powerful new way to trace the journey of water across the planet by reading tiny atomic clues hidden inside it. Slightly heavier versions of hydrogen and oxygen, called ...

Scientists Discover Pets Are Helping an Invasive Flatworm Spread

Feb. 14, 2026 A new study shows that dogs and cats may be helping an invasive flatworm spread. Researchers analyzing over a decade of reports discovered the worm attached to pet fur. Its sticky mucus and ability ...

This Ancient Animal Was One of the First to Eat Plants on Land

Feb. 11, 2026 Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...